Period
to 25 July 2017

The following table provides summary statistics for permanent job vacancies with a requirement for ISDN skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited ISDN over the 6 months to 25 July 2017 with a comparison to the same period in the previous 2 years.

Integrated Service Digital Network (ISDN)
UK
6 months to
25 Jul 2017
Same period 2016 Same period 2015
Rank 1016 1015 1155
Rank change year-on-year -1 +140 -67
Permanent jobs citing ISDN 167 241 161
As % of all permanent IT jobs advertised in the UK 0.094% 0.12% 0.072%
As % of the Communications & Networking category 0.59% 0.70% 0.41%
Number of salaries quoted 119 162 134
UK median annual salary £45,000 £45,000 £45,000
10th Percentile £21,850 £26,250 £27,000
90th Percentile £67,750 £61,250 £67,500
UK excluding London median annual salary £41,500 £37,500 £45,000
% change year-on-year +10.67% -16.67% +28.57%

ISDN is in the communications and computer networking skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
UK
Permanent job vacancies with a requirement for communications and computer networking skills 28286 34399 39261
As % of all permanent IT job vacancies advertised in the UK 15.92% 17.01% 17.63%
Number of salaries quoted 22935 28559 31681
UK median annual salary £45,000 £45,000 £45,000
10th Percentile £25,750 £25,500 £25,000
90th Percentile £72,500 £71,250 £70,000
UK excluding London median annual salary £40,000 £40,000 £40,000

ISDN
Job Vacancy Trend

Job postings citing ISDN as a percentage of all IT jobs advertised.

Job vacancy trend for ISDN in the UK

ISDN
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing ISDN.

Salary trend for ISDN in the UK

ISDN
Salary Histogram

The salary distribution of IT jobs citing ISDN over the 6 months to 25 July 2017.

Salary histogram for ISDN in the UK

ISDN
Top 15 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing ISDN within the UK over the 6 months to 25 July 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -1 158 £45,000 - 11
UK excluding London +14 112 £41,500 +10.67% 7
London +8 51 £55,000 +10.00% 4
North of England +18 38 £35,000 +7.69% 3
South East +45 30 £47,500 +5.56% 1
East of England -18 25 £43,750 +20.69% 1
North West -25 19 £22,500 -30.77% 3
Yorkshire - 18 £44,500 -
Midlands +40 12 £45,000 +55.17% 2
West Midlands +26 7 £45,000 +63.64% 1
East Midlands +14 5 £45,000 +55.17% 1
Scotland - 4 £28,500 -
South West +10 2 - -
Wales +2 1 £27,668 -
North East - 1 £60,000 -

For the 6 months to 25 July 2017, IT jobs citing ISDN also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads with a requirement for ISDN.

1 94 (56.29%) LAN
2 90 (53.89%) VoIP
3 88 (52.69%) WAN
4 84 (50.30%) Cisco
5 76 (45.51%) Microsoft
5 76 (45.51%) ITIL
6 72 (43.11%) Firewall
7 62 (37.13%) MS Exchange
8 57 (34.13%) Active Directory
9 56 (33.53%) Windows
10 54 (32.34%) Cisco Certification
11 50 (29.94%) VMware
11 50 (29.94%) VMware Infrastructure
12 49 (29.34%) VPN
13 48 (28.74%) DNS
13 48 (28.74%) Skype for Business
14 46 (27.54%) Windows Server
15 44 (26.35%) MPLS
16 42 (25.15%) Skype
17 41 (24.55%) Data Centre
17 41 (24.55%) TCP/IP
18 40 (23.95%) Linux
19 38 (22.75%) DHCP
19 38 (22.75%) Unified Communications
20 34 (20.36%) Windows Server 2008
21 33 (19.76%) Windows Server 2012
21 33 (19.76%) PBX
22 32 (19.16%) VLAN
23 31 (18.56%) Office 365
23 31 (18.56%) Mentoring

ISDN
Co-occurring IT Skills by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 62 (37.13%) MS Exchange
2 48 (28.74%) Skype for Business
3 16 (9.58%) SharePoint
4 11 (6.59%) Exchange Server 2010
4 11 (6.59%) IIS
5 4 (2.40%) Exchange Server 2007
5 4 (2.40%) Exchange Server 2013
6 3 (1.80%) Apache
6 3 (1.80%) Office Communications Server
6 3 (1.80%) SharePoint 2010
6 3 (1.80%) SharePoint 2013
6 3 (1.80%) SharePoint Server
7 1 (0.60%) Blackberry Enterprise Server
7 1 (0.60%) CMS
Applications
1 30 (17.96%) Microsoft Office
2 1 (0.60%) Acrobat
Business Applications
1 1 (0.60%) Dynamics AX
Cloud Services
1 31 (18.56%) Office 365
2 17 (10.18%) PaaS
3 14 (8.38%) Amazon AWS
4 6 (3.59%) Microsoft Azure
5 3 (1.80%) Slack
Communications & Networking
1 94 (56.29%) LAN
2 90 (53.89%) VoIP
3 88 (52.69%) WAN
4 72 (43.11%) Firewall
5 49 (29.34%) VPN
6 48 (28.74%) DNS
7 44 (26.35%) MPLS
8 42 (25.15%) Skype
9 41 (24.55%) TCP/IP
10 38 (22.75%) DHCP
10 38 (22.75%) Unified Communications
11 33 (19.76%) PBX
12 32 (19.16%) VLAN
13 30 (17.96%) Wireless
14 28 (16.77%) Ethernet
15 25 (14.97%) IPsec
16 22 (13.17%) Cisco Nexus
17 17 (10.18%) Broadband
17 17 (10.18%) DSL
17 17 (10.18%) Remote Desktop
Database & Business Intelligence
1 14 (8.38%) SQL Server
2 6 (3.59%) SQL Server 2008
3 4 (2.40%) SQL Server 2012
4 3 (1.80%) Amazon RDS
4 3 (1.80%) SQL Server 2005
General
1 19 (11.38%) Retail
2 18 (10.78%) Telecoms
3 16 (9.58%) Finance
4 15 (8.98%) Games
5 5 (2.99%) Billing
6 4 (2.40%) Legal
7 2 (1.20%) French Language
7 2 (1.20%) Military
8 1 (0.60%) Electronics
8 1 (0.60%) Welsh Language
Job Titles
1 38 (22.75%) Network Engineer
2 25 (14.97%) Support Engineer
3 24 (14.37%) Infrastructure Support
3 24 (14.37%) Unified Communications Engineer
4 23 (13.77%) 3rd Line Engineer
5 21 (12.57%) Infrastructure Engineer
6 20 (11.98%) Lync Engineer
7 17 (10.18%) Active Directory Engineer
7 17 (10.18%) Cisco Engineer
7 17 (10.18%) Cisco Network Engineer
7 17 (10.18%) Infrastructure Support Engineer
8 16 (9.58%) 3rd Line Support
8 16 (9.58%) 3rd Line Support Engineer
8 16 (9.58%) Office 365 Engineer
9 14 (8.38%) 3rd Line Infrastructure Engineer
9 14 (8.38%) 3rd Line Infrastructure Support
9 14 (8.38%) Active Directory Support
9 14 (8.38%) Active Directory Support Engineer
10 12 (7.19%) Consultant
11 11 (6.59%) Analyst
Libraries, Frameworks & Software Standards
1 12 (7.19%) Web Services
2 9 (5.39%) 802.1X
3 8 (4.79%) XMPP
4 1 (0.60%) REST
Miscellaneous
1 41 (24.55%) Data Centre
2 16 (9.58%) Video Conferencing
3 12 (7.19%) User Experience
3 12 (7.19%) Virtual Team
4 11 (6.59%) Computer Science
4 11 (6.59%) Management Information System
4 11 (6.59%) PKI
5 7 (4.19%) e-Health
6 6 (3.59%) Clustering
7 5 (2.99%) Analytical Skills
8 3 (1.80%) Handset
8 3 (1.80%) Linux Command Line
9 2 (1.20%) Driving Licence
9 2 (1.20%) NHS
10 1 (0.60%) Blackberry
10 1 (0.60%) Chip and PIN
10 1 (0.60%) Digital Signage
10 1 (0.60%) EMV
10 1 (0.60%) FMCG
10 1 (0.60%) Mainframe
Operating Systems
1 56 (33.53%) Windows
2 46 (27.54%) Windows Server
3 40 (23.95%) Linux
4 34 (20.36%) Windows Server 2008
5 33 (19.76%) Windows Server 2012
6 20 (11.98%) Windows Server 2003
7 17 (10.18%) Red Hat Enterprise Linux
8 14 (8.38%) Unix
9 9 (5.39%) Windows 7
10 3 (1.80%) Debian
11 2 (1.20%) Android
11 2 (1.20%) Apple iOS
11 2 (1.20%) Windows 8
11 2 (1.20%) Windows XP
12 1 (0.60%) Mac OS X
Processes & Methodologies
1 76 (45.51%) ITIL
2 31 (18.56%) Mentoring
3 25 (14.97%) Network Design
4 19 (11.38%) Coaching
5 17 (10.18%) Change Control
5 17 (10.18%) E-Commerce
6 15 (8.98%) Disaster Recovery
6 15 (8.98%) Time Management
7 14 (8.38%) Presales
8 12 (7.19%) Service Delivery
9 11 (6.59%) Network Monitoring
10 10 (5.99%) Load Balancing
11 9 (5.39%) Incident Management
11 9 (5.39%) Information Management
11 9 (5.39%) Network Management
12 8 (4.79%) Adaptive Security
12 8 (4.79%) Operations Management
12 8 (4.79%) WAN Optimisation
13 7 (4.19%) Information Security
13 7 (4.19%) Mathematics
Programming Languages
1 10 (5.99%) PowerShell
2 9 (5.39%) SQL
3 5 (2.99%) C
4 3 (1.80%) Python
5 2 (1.20%) Bash Shell
5 2 (1.20%) C#
5 2 (1.20%) C++
5 2 (1.20%) Java
6 1 (0.60%) Perl
6 1 (0.60%) PHP
Qualifications
1 54 (32.34%) Cisco Certification
2 29 (17.37%) CCNA
3 24 (14.37%) Degree
4 23 (13.77%) CCNP
5 22 (13.17%) Microsoft Certification
6 21 (12.57%) MCSE
6 21 (12.57%) Security Cleared
7 18 (10.78%) SC Cleared
8 10 (5.99%) CCIE
8 10 (5.99%) DV Cleared
9 9 (5.39%) MCITP
10 8 (4.79%) JNCIA
10 8 (4.79%) JNCIE
10 8 (4.79%) JNCIP
10 8 (4.79%) JNCIS
11 6 (3.59%) VMware Certified Professional (VCP)
12 5 (2.99%) MCP
13 3 (1.80%) Computer Science Degree
14 2 (1.20%) CCNP Voice
14 2 (1.20%) ITIL Certification
Quality Assurance & Compliance
1 14 (8.38%) SLA
2 7 (4.19%) PCI DSS
3 1 (0.60%) ISO 9001
3 1 (0.60%) ISO/IEC 27001
3 1 (0.60%) QA
System Software
1 57 (34.13%) Active Directory
2 50 (29.94%) VMware Infrastructure
3 20 (11.98%) VMware ESXi
4 18 (10.78%) Terminal Services
5 15 (8.98%) Hyper-V
6 8 (4.79%) Virtual Servers
7 5 (2.99%) Microsoft Virtual Server
8 4 (2.40%) vSphere
9 3 (1.80%) Firmware
9 3 (1.80%) iptables
9 3 (1.80%) pfSense
9 3 (1.80%) XenApp
9 3 (1.80%) XenDesktop
10 1 (0.60%) ISA Server
10 1 (0.60%) Virtual Machines
Systems Management
1 20 (11.98%) Cisco CUCM
2 17 (10.18%) WSUS
3 8 (4.79%) Cisco Prime
3 8 (4.79%) SolarWinds Orion
4 5 (2.99%) Cisco UCCE
4 5 (2.99%) FortiGate
5 4 (2.40%) MobiControl
5 4 (2.40%) SCOM
6 3 (1.80%) Microsoft Data Protection Manager
6 3 (1.80%) ServiceCenter
7 1 (0.60%) Backup Exec
7 1 (0.60%) CA Spectrum
7 1 (0.60%) Cisco UCCX
7 1 (0.60%) DameWare
7 1 (0.60%) Perfmon
7 1 (0.60%) SCCM
Vendors
1 84 (50.30%) Cisco
2 76 (45.51%) Microsoft
3 50 (29.94%) VMware
4 24 (14.37%) Juniper
5 16 (9.58%) F5
5 16 (9.58%) Sonus
6 14 (8.38%) Polycom
6 14 (8.38%) SolarWinds
7 13 (7.78%) Avaya
8 12 (7.19%) Mitel
9 9 (5.39%) CheckPoint
10 8 (4.79%) Barracuda Networks
10 8 (4.79%) Palo Alto
11 7 (4.19%) Forcepoint
11 7 (4.19%) IronPort
11 7 (4.19%) Riverbed
12 6 (3.59%) Citrix
12 6 (3.59%) CommVault
12 6 (3.59%) HP
13 5 (2.99%) Sourcefire
Birmingham, West Midlands (County)
Verticality Ltd
Salary: £35000 - £38000 per annum, Benefits Car £4200., Training, overtime, be
Posted: 11 hours ago
Manchester, Lancashire
Senitor Associates
Salary: £35000 per annum
Posted: Yesterday
Worksop, Nottinghamshire
The Bridge Ltd
Salary: Excellent Competitive Salary + Benefits + Free Parking
Posted: Yesterday
City, London
I3
Salary: £52000 - £55000 per annum
Posted: 6 days ago
City, London
Oliver James Associates
Salary: £60000 per annum
Posted: 6 days ago
City, London
Eames Consulting
Salary: £50000 - £55000 per annum
Posted: 6 days ago
Watford, Hertfordshire
Salmon Ltd
Salary: Unspecified
Posted: 22 days ago